How To Check NIN On MTN, Glo, Airtel, And 9Mobile: A Comprehensive Guide


The Nigerian Identification Number (NIN) is a unique 11-digit number issued by the National Identification Management Commission (NIMC) to Nigerian citizens and legal residents. With the government’s mandate to link NINs to mobile phone numbers, it has become crucial to know how to check your NIN on various mobile networks such as MTN, Glo, Airtel, and 9Mobile.

How to check NIN on MTN

Here’s how to check NIN on MTN using MTN phone number you registered. To check your NIN on MTN, simply dial *346# on your mobile device and follow the prompt.
MTN will then provide you with your NIN via a text message or display it directly on your screen.

Check NIN on Glo network

How can I know my NIN number on Glo? To check your NIN on Glo, dial *346# on your Glo line and follow the easy prompts to retrieve your NIN.
Once you’ve selected the appropriate option, Glo will display your NIN on your screen or send it to you via SMS.

How to check NIN on Airtel

How do I check my NIN number on Airtel? To check your NIN on Airtel, dial *346# on your Airtel line. After selecting the NIN check option, Airtel will display your NIN on your screen or send it to you via SMS.

How to check NIN on 9Mobile

How can I know my NIN number in 9Mobile? To check your NIN on 9Mobile, dial *346# on your 9Mobile line.


9Mobile will present you with a series of options. Choose the option that enables you to check your NIN.

Unified USSD code for checking NIN on different network

To check your NIN regardless of your network type, dial *346#, this is available for the following networks as seen in the image below;


Frequently asked questions

Can I check my NIN details online?

How do I print my NIN slip online? To check your NIN details online and print your NIN slip, visit the official NIMC NIN checker portal portal or  and login with your username and password to view your details.

How do I get my NIN number from another phone?

It is not yet possible to check your NIN on a different phone number that is not registered on your profile on the NIMC database. You can always check your need on any phone number linked to it.

Can I link two phone numbers to my NIN?

Yes, you can link two phone numbers to a NIN. According to NIMC, you can link up to 7 phone numbers to a NIN. This should answer your question on “How many SIM card can one NIN register?”

What is the cost of checking NIN with USSD code?

The sum of 20 Naira only, will be deducted from your phone account balance each time you make use of the NIN USSD code.

As the Nigerian government mandates the linkage of NINs to mobile numbers, it is important to have easy access to your NIN. Checking your NIN on MTN, Glo, Airtel, and 9Mobile has become a straightforward process with the help of USSD codes. By following the step-by-step guide provided in this blog post, you can quickly retrieve your NIN without any hassle. Remember, your NIN is a vital piece of information, and keeping it safe is crucial for various governmental and financial transactions.